body {
  overflow-x: hidden;

  margin: 0 auto;
  min-width: 320px;
  max-width: 540px;
  height: 1000px;

  font: normal 14px/1.5 PingFangSC-regular, Tahoma, Lucida Grande, Verdana, Microsoft Yahei, STXihei, hei;

  color: black;
  background: #f4f4f4;
}

* {
  margin: 0;
  padding: 0;
}

div {
  box-sizing: border-box;
}

li {
  list-style: none;
}

a {
  text-decoration: none;
  color: #666;
}

.search_index {
  display: flex;

  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);

  /* 固定定位后，长度的百分比不再以父级盒子为准，而是以浏览器页面为准 */
  padding: 12px 12px 6px;
  width: 100%;
  min-width: 320px;
  max-width: 540px;
  height: 50px;

  /* 对于已经固定定位的盒子，采用边距margin不会起任何作用 */
  /* margin: 0 auto; */

  background-color: #fff;
}

.search_box {
  display: flex;
  flex: 1;

  border: 2px solid #0086f6;
  border-radius: 16px;
  height: 32px;

  font-size: .94rem;

  color: #666;
}

.search_box .icon-chaxun {
  margin-left: 12px;
  font-size: 18px;
  color: #666;
}

.search_box span {
  margin-left: 6px;
  font-size: 15px;
  line-height: 27px;
  color: #999;
}

/* 导航栏 */
.nav_wrap {
  overflow: hidden;
  display: flex;
  flex-direction: row;
  margin-top: 50px;
  padding: 6px 12px 2px;
  border-radius: 10px;
  width: 100%;
}

.nav_list {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-left: 1px;
}

.nav_list:first-child {
  margin-left: 0px;
}

.nav_item {
  width: 100%;
  height: 58px;
  font-size: 12px;
  line-height: 15px;
  text-align: center;
  margin-bottom: 1px;

}

.nav_wrap .nav_hotel {
  background-color: #fff5f1;
}

.nav_wrap .nav_hotel:first-child {
  /* border-top-left-radius: 8px; */
  background-color: #fb8650;
}

.nav_wrap ul.nav_list li.nav_item:first-child>a {
  font-family: PingFangSC-Medium;
  color: #fff;
}

.nav_wrap ul.nav_list li.nav_item a {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
}

.nav_item a [class^="nav_icon_"] {
  margin-bottom: 4px;
  width: 28px;
  height: 28px;
  background: url(../images/nav_sprits.png) no-repeat;
  background-size: 28px auto;
  background-position: 0 -84px;
}

.nav_item a .nav_icon_minsu {
  background-position: 0 -336px;
}

.nav_item a .nav_icon_baokuan {
  background-position: 0 0;
}
